Pneumatic stacker.



No. 729.947. 'CPATBNTED JUNE 2, 1903. I

- 0'. N. LEONAR PNEUMATIC STAGKER.

' APPLICATION FILED FEB. 16, 1903 I H0 MODEL. I r 8 SHEETS-SHEET 3 UNITED STATES Patented June-2, 1903.

PATENT OFFICE.

CHARLES N. LEONARDpOF INDIANAPOLIS, INDIANA, ASSIGNOR, BY MESNE ASSIGNMENTSQTOTHE INDIANA MANUFACTURING COMPANY, OF INDI- ANAPOLIS,'INDIANA, A CORPORATION OF WEST VIRGINIA.

PNEUMATICYSTACKER.

SPECIFICATION forming part of Letters-Patent-No. 729,947, datedJ'une 2,1203.

' Application filed February 16, 1903. Serial No. 143,658. (No model.)

To all whom it may concern.-

Be it known that 1, CHARLES N. LEONARD, a citizen of the United-States, residing at Indianapolis, in the county of Marion and State of Indiana, have invented certain new and useful Improvements in Pneumatic St-ackers, of which the following is a specification.

My present invention relates to that variety of pneumatic stackers wherein the turn-table generally employed isdispensed with; and it consists in providing the trunk or ductof such a stacker with a suitable joint by which I it can be raised and lowered to the required extent in operation and can also be folded I 5 back on top the machine to which it is at- V tached, when desired, for purposes of] convenience in storage and transportation,while at the same time a substantially close union of the parts is maintained at all ordinary operative positions.

Referring to the accompanying drawings, which are made a part hereof, and on which similar reference characters indicate similar parts,Figure 1 is a side elevation of a stacker of z 5 the variety in'question provided with a joint and accessories embodying mypresent invention as the same appears when extended and ready for use,afragment of an ordinary threshing machine or separator upon which the same 0, is mounted being also shown; Fig. 2, a similar view, so far as is necessary to illustrate myinvention, when the stacker-duct is folded back ontothe separator; Fig. 3, a. detail cen-, tral sectional view on a considerably-enlarged scale through the joint in question and the immediately adjacent parts, as, seen when looking in the direction indicated by the arrows from the dotted line 3 3 in Fig. 9, the position illustrated being that occupiedby the 0 stacker-duct when in its lowermost position;

Fig. 4, a View similar to Fig. 3with the various parts in therelation they occupy when the stacker-duct has been raised toapproximately the highest practically operative position possible to the construction and arrangement illustrated; Fig. 5, a similar view .showing the position of the parts just as they are separating in passing from an operative position toward the folded over position shown in Fig. 2; Fig. 6, an under side plan view with most; of the mechanism broken away, as seen when looking upwardly from the dotted lines 6 6 below Fig. 3; Fig. 7, a

top orplan view of the portion of the stacker embodying said invention as the. same appears when in the positions shown in Figs. 1

and 8, exceptthat thevduct is turned around so that it extends in the opposite direction; Fig. 8, a detail side elevation on an enlarged scale, as seen from the dotted line 8 Salongside Fig. 7; Fig. 9, a transverse vertical sec tional view as seen when looking in the direction indicated by the arrows from the dotted line 9 9 in Fig. 8; Fig. 10, a detail horizontal sectional view as seen when looking mounted on a threshing-separator or similar machine, a fragment 21 of such a machine being shown in Figs. 1 and 2 of-the drawings. Upon the rear end of such a'machine and covering the straw-delivery opening therein is a straw-chamber 22, into which the straw isfirst delivered by such a machine. This straw-chamber constitutes the lower section ofthe stacker and terminates in a portion 23, which is similar in diameter and transverse shape to the remainder of thestacker-duct. From the last-mentioned partthelstacker trunk; or duct proper, 24, extends out to such distance as may be desired. This trunk or ductisth'e subject-matter of a companion apo plicationdated concurrently herewith, and

.while'I-preferto-use the invention thereof in the same stacker as that forming the subjectmatter of this application.a-plain-duct-could also be-used herewith, and as the saidpecul- 5 iar duct does not form anypart of the present application itwi'll'not be further described herein except incidentally in describing the invention.

The part 23 and the duct 24 where they :00

come togetherare provided, respectively,with the bands 25 and 26, and these have ears 27 and 28, which are united by a pintle or hingerod 29, and on this pintle or hinge-rod the duct 24 swings in its various movements.

In the form shown the part 23 and the duct 2-1 are semicircular in the upper portion, have perpendicular sides for ashort distance, while the bottom is fiat, and this, as is obvious, is an especially desirable shape to meet. the requirements of my present invention. As is best shown in Figs. 3, 1, and 5, the sides of the part 23 are prolonged and form shields or cu rtaius 30, covering the cracks or open ings which would otherwise exist at the sides when the duct 21 is swung into the position indicated in Fig. 1 or any other position intermediate those illustrated by Figs. 3 and 5, respectively.

The crack or opening which would otherwise existat the bottom of the duct when the stacker is adjusted to either of these lastluentioned positions is closed or covered by means of the pivoted sliding shield 31. The sides of this shield are turned upwardly, (see especially Figs. 9, 3, 4, and 5,) and thus also close the cracks which would otherwise exist between said shield and the wings 30. This shield is mounted on the rock-rod 32, and said rod is carried in suitable bearings in extensions formed for the purpose on the band 26. (See particularly Figs. i, S, and 11.) The other end of said sliding shield bears a transverse bar 33, the ends of which enter and travel in the curved ways 31, formed in the facing sides of suitable extensions 35, designed for v the purpose on the band 25. The bars 32 and 33 are united by other bars 36, running transversely across the same and completing the frame to said shield 31, which is preferably formed of sheet metal. These bars 36 extend outwardly beyond the rock-rod 32 and are adapted when the stacker-duct is folded back into an upside-down position, as shown in Fig. 2, to strike either a part specially provided for the purpose of engaging with and supporting the same when in this position or the shaft 81, which in the construction illustrated is in the proper position to serve this purpose as well as the purpose for which it is designed in connection with my companion invention. In such case the said bars 36 assume the position indicated by the dotted lines in Fig.- 13, and the parts to which they are attached will of course assume a corresponding position, which it is not considered necessary to illustrate. When these parts are in their operative positions, the bars 36 rest against stops 37, provided for the purpose, usually on the band 26, as shown in Figs. 13 and 4. The extension 35, formed on the band 25, has an inclined lip 41, against which the bar 33 will first strike (see Fig. 5) as the duct is being moved back from the position indicated in Fig. 2 to any of its operativepositions. As the bars 36 are so arranged in relation to he adjacent parts as to premam? vent the shield carried thereby from dropping below the point of the lip 41, this insures a proper engagement of the parts, as they come together in every case and without attention or thought on the part of the operator.

As shown in Figs. 9 and 10, the mouths of the ways 34- are flared somewhat, so that the ends of the bar are sure to properly enter them and beguided to the proper position, as described. The curvature of the ways 3 1 is such as to keep the shield 31 into substantially close contact with the adjacent parts at all points of variation of operative position of the stacker-duct. By means of these several devices, therefore, I am enabled to provide suitable closures for the joint, by means of which a stacker unprovided with a turn-table is permitted as much vertical movementas is commonly required, thus dispensing with the heavy and costly construction heretofore considered to be necessary for this purpose. It is a leading object in the manufacture of machinery of'this character to reduce the weights of the various parts as much as possible consistently with efficiency. A threshing-machine at the best is a comparatively heavy and cumbersome affair, and a pneumatic stacker, which must be supported from one end and extends out a considerable distance, always occasions a considerable strain on the framework of such a machine. Any change in construction, therefore, by means of which the weight can be reduced without imparing efficien cy is a matter of considerable importance.

This stacker is folded back by a simple winding-drum 15, operating upon a rope 16, which in turn is attached to the upper end of a light derrick-frame 17, which is pivoted upon the same pivot-bolt 29 which unites the two stacker-sections, and from the upper end of which the rope 18 runs forward to a suitable point on the stacker-duct 24. At the outer end said stacker-duct bears the usual hood or deflector 14;, which is preferably adjustable and may be operated by any ordinary or suitable means.

Having thus fully described my said invention, what I claim as new, and desire to secure by Letters Patent, is-

l. The co mbination,in a pneumatic stacker, of astationary duct-section,a second duct-section hinged thereto, at the upper side, one of said sections being provided with wings which extend inside the other section whereby the side cracks or openings are kept covered as the swinging section is raised, and a shield mounted on one of the sections and adapted to contact with the other section as the two sections come together whereby the under side crack or opening is closed, and means for guiding said shield into engaged position as the lower section sides approach each other.

2. Thecombination,inapneumaticstacker, of a stationary duct-section,a second duct-section hinged thereto, a sliding shield pivotally mounted upon one section, devices for limiting the movement of said shield, and ways carried by the other section to receive and guide the shield as the sections come together.

3. The combination,in apneumatic stacker, of astationary duct-section,a second'duet-section hinged thereto, a shield pivoted toone section, and ways secured to the other seer tion to receive and guide the shield as the sections come together, said ways being curved 5. The co1nbination,in a pneumatic stacker, of a stationary duct-section,a second duct-section hinged thereto, wings extending from one duct-section outwardly and adapted to cover the side cracks which would otherwise exist between the twose'ctions as they are swung apart on the hinge, a shield carried by one of 7 said sections and adapted to cover the crack which would otherwise exist between the bottoms of the sectionswhen swung apart, and ways on the other section for receiving and guiding said shield, substantially as set forth.

In witness whereof I have hereunto set my hand and seal, at Indianapolis, Indiana, this 10th day of February, A. D. 1903.

CHARLES N. LEONARD.

Witnesses:

CHESTER BRADFORD, JAMES A. WALSH. 

